WIF Command — WiFi Connection Status

Query the device’s WiFi connection status.

What is it for?

📶 Main use cases:

📊 Verify WiFi connection status
📡 Know the currently connected network
📈 Measure signal strength and quality
🔧 Diagnose connectivity issues
🔍 WiFi infrastructure monitoring

Commands

Operation	Syntax
Query	`QWIF`
Response	`RWIF,pwr,apmode,stationindex,ssid,rssi,signallevel`

Response Fields

Field	Description	Values
pwr	WiFi status	`0` = Inactive, `1` = Active
apmode	Operation mode	`0` = Client (STA), `1` = Access Point (AP)
stationindex	Station index	`0-9`
ssid	Network name	Text
rssi	Signal strength	Value in dBm (negative)
signallevel	Quality level	`0-4`

Signal Levels

Level	Quality	Typical RSSI	Icon
4	Excellent	> -50 dBm	📶
3	Good	-50 to -60 dBm	📶
2	Average	-60 to -70 dBm	📶
1	Weak	-70 to -80 dBm	📶
0	No connection	< -80 dBm	❌

Example

WiFi status query


>QWIF<
>RWIF,1,0,0,VERA AP 4,-74,1<
//    │ │ │    │       │  └─ Signal level: 1 (weak)
//    │ │ │    │       └─ RSSI: -74 dBm
//    │ │ │    └─ Connected network: "VERA AP 4"
//    │ │ └─ Station index: 0
//    │ └─ Mode: 0 (client/Station)
//    └─ WiFi: 1 (active)

An RSSI of -74 dBm indicates weak signal. Consider moving the device closer to the router or using a WiFi repeater.

Compatibility

💾Firmware:v1.00.00

SP-IOT

SM-IOT